The following vocabulary terms were learned in lesson 2.1 and will appear on quiz 3.

Mineral: a naturally formed, inorganic solid with a definite chemical composition and crystal structure.
Naturally Formed: created by a process of nature (not involving humans)
Inorganic: created by non-living things and processes.
Solid: having a definite volume and a rigid shape.
Definite chemical composition - specific atoms in specific proportions
Crystal structure: an orderly, repeating, three dimensional pattern of atoms

The following vocabulary terms were learned in lesson 2.2 and will appear on quiz 3.

Property: a characteristic of a mineral used to identify a mineral.
Color: the color of the mineral's surface.
Streak: the color of the mineral's powder.
Luster: how light reflects off a mineral's surface. (6 lusters we learned: metallic; non-metallic: glassy, greasy, earthy, pearly, silky).
Mass: the amount of matter in an object (unit: grams).
Volume: the amount of space an object occupies (unit: cubic centimeters).
Density: the amount of matter in a given space (unit: grams per cubic centimeter).
Hardness: a mineral's resistance to being scratched.
Cleaving: Describes how a mineral breaks; breaks cleanly leaving a smooth surface.
Fracture: Describes how a mineral breaks; breaks rough leaving a jagged or curved surface.